Wossner
Piston Kits
Wossner Piston Kits With over 25 years of custom piston and rod manufacturing, Wossner Pistons is deeply committed to bringing to market only the best and most accurately machined forged pistons and rods available. Wossner Pistons commitment to quality stems from designing racing components for top European racing teams in all types of venues to supplying the weekend racer a hop-up high compression piston, or a big bore piston to take advantage of today’s high revving high horsepower engines in both automotive and motorcycle applications.With unsurpassed quality and a commitment, Wossner Pistons will always listen to the customer as this assures you will always receive the high quality forged CNC machined components you would expect from today’s top European piston and rod manufacturer. Wossner Pistons
believes in continued research and development so that the end user is guaranteed to receive the highest quality machined forged piston.
Wossner Pistons engineers & manufactures 2-stroke and 4-stroke motorcycle, automotive, snowmobile pistons in various bore sizes and compression ratios.
KAWASAKI 4-Stroke Models
Years
Size
Piston Kit
Piston Rings
Piston Pin
Piston Clips
Small End Bearing
KLX 110 KLX 125 KX 250F
2002 - 09 55mm 2002 - 09 57mm 2004 - 05 77mm 2006 - 09 77mm 2006 - 09 77mm
+200.WO +00A.WO
.WO
– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
56-W300 56-W301
56-R269 56-R275
56-7962 56-7930
56-006
.WO .WO
56-0150 56-0152
.A.WO
56-R553.WO 56-R553.WO 56-R553.WO 56-R553.WO 56-R553.WO 56-R553.WO 56-R553.WO 56-R553.WO 56-R553.WO
.WO .WO
56-W4842
56-7931 56-7931
KX 250F Comp. 13.5:1
+00A.WO +00A.WO
.WO .WO
56-W210 56-W302 56-W953 56-W953
56-0152 56-0152
Hi-Comp 13.9:1
.WO .WO
56-7931 56-7981
KX 250F Comp. 13.2:1
2010 2010
77mm 77mm
.A.WO
.WO .WO
56-0152 56-0152
Hi-Comp 13.9:1
.A.WO.HC
.WO .WO
56-7981 56-7981
KX 250F Comp. 13.5:1 KX 250F Hi-Comp 14.2:1 KX 250F Comp. 13.8:1
2011 - 14 77mm 2011 - 14 77mm 2015 - 16 77mm 2015 - 16 77mm 2017 - 19 77mm 2017 - 19 77mm
.A.WO
.WO .WO
56-W952 56-W952 56-W331 56-W331
56-0152 56-0152
.A.WO.HC
.WO .WO
56-7981 56-7945
.A.WO
.WO .WO .WO
56-0152 56-0152 56-0152 56-0152
Hi-Comp 14.5:1
.A.WO.HC
.WO .WO .WO .WO
56-7945 56-7981
KX 250F Comp. 14.0:1
.A.WO
.WO .WO .WO
56-W9952 56-W9952 56-W8817 56-W8827 56-W8820 56-W8820 56-W4089 56-W4089 56-W8820 56-W8820 56-W4089 56-W4089 56-W4630
56-R327 56-R327 56-R323
Hi-Comp 14.5:1
.A.WO.H
KX 250 Comp. 14.40
2020 2020
77mm 77mm
.WO
.WO .WO
56-7981 56-7981
56-0152 56-0152
Hi-Comp. 14.56
.A.WO .A.WO
.WO .WO
.WO .WO
56-R323 56-R323
KX 250 Comp. 14.10
2021 - 22 78mm 2021 - 22 78mm
.WO .WO
56-7981 56-7981
56-0152 56-0152
Hi-Comp. 14.50
.A.WO.HC
.WO .WO
.WO .WO
56-R323 56-R323
KX 250 Comp. 14.10
2023 2023
78mm 78mm
.A.WO
.WO .WO
56-7981 56-7981
56-0152 56-0152
Hi-Comp. 14.50
.A.WO.HC
.WO .WO
.WO .WO
56-R323 56-R323
KX 250X Comp. 14.10
2021 - 22 78mm 2021 - 22 78mm
.A.WO
.WO .WO
56-7981 56-7981
56-0152 56-0152
Hi-Comp. 14.50
.A.WO.HC
.WO .WO
.WO .WO
56-R323 56-R323
KX 250X Comp. 14.10
2023 2023
78mm 78mm
.A.WO
.WO .WO
56-7981 56-7981
56-0152 56-0152
Hi-Comp. 14.50
.A.WO.HC +00A.WO
.WO
.WO .WO
56-R323 56-R252
KLX 300R
1997 - 06 78mm 2003 - 06 90mm 2003 - 06 90mm 2006 - 08 96mm 2006 - 08 96mm 2009 - 12 96mm 2009 - 12 96mm 2013 - 14 96mm 2013 - 14 96mm
.WO .WO
56-7936 56-7918
56-0160 56-0155
KLX 400 Comp. 12.2:1
+00A.WO
.WO
.WO .WO
56-W211 56-W184 56-W212 56-W303
56-R493
Hi-Comp 13.5:1 (2-Ring)
.A
.WO .WO
56-7976.WO
56-R493 56-R558
56-0155 56-0154 56-0154 56-0154 56-0154 56-0154 56-0154 56-0154 56-0154 56-0154 56-0154 56-0154 56-0154 56-0154 56-0154 56-0154
KX 450F Comp. 12.0:1
.A.WO .A.WO
56-7964 56-7964
Hi-Comp 13.0:1
.WO .WO
56-R558 56-R558
KX 450F Comp. 12.5:1
.A.WO
.WO .WO
56-W4980
56-7982 56-7982
Hi-Comp 13.5:1
.A.WO .A.WO .A.WO .A.WO
.WO .WO
56-W309 56-W965 56-W966 56-W330 56-W330
56-R558 56-R558
KX 450F Comp. 12.5:1
.WO .WO
56-7982 56-7982 56-7964 56-7964 56-7964 56-7964
Hi-Comp 13.5:1
.WO .WO
56-R558 56-R325
KX 450F Comp. 12.5:1
2015 2015
96mm 96mm
Hi-Comp. 13.8:0
.A.WO.HC
.WO .WO
56-R325 56-R325
KX 450F Comp. 12.8:1 KX 450 Comp. 12.60
2016 - 18 96mm 2019 - 23 96mm 2019 - 23 96mm 2022 - 23 96mm 2022 - 23 96mm 2021 - 23 96mm 2021 - 23 96mm 2008 - 20 96mm 2008 - 20 96mm 1984 - 85 97mm 1993 - 95 100mm 1993 - 96 100mm 1987 - 07 100mm
.A.WO .A.WO
56-W9916 56-W8809 56-W8809 56-W8809 56-W8809 56-W8809 56-W8809
.WO
56-R325
Hi-Comp. 13.50
.A.WO.HC
.WO .WO
WP028DLC
56-R325 56-R325
KX 450SR Comp. 12.60
.A.WO
56-7964
Hi-Comp. 13.50
.A.WO.HC
.WO .WO
WP028DLC
56-R325 56-R325
KX 450X Comp. 12.60
.A.WO
56-7964
Hi-Comp. 13.50
.A.WO.HC
.WO .WO
WP028DLC
56-R325 56-R325
KLX 450R Comp 12.0:1
.A.WO
56-W212
56-7964 56-7964 56-7954 56-7915
56-0154 56-0154 56-0157 56-010 56-010 56-010
Hi-Comp. 13.0:1
.W.WO
.WO
56-W303 56-W172 56-W173 56-W173 56-W174
56-R325 56-R307
KLR 600
+1.00
KLX 650 C KLX 650 R
+0.A +0.A
.WO .WO
.WO.2 .WO.2 .WO.2
.WO .WO .WO
56-R501 56-R501
56-7915 56-7915
KLR 650 Tengai Hi-Comp 11.0:1
.A
.WO
56-R501
Please note All Piston Kits do not include small end bearings. Most Kits available from standard size up to 2.00mm over size.
Please Note Wossner Piston rings will NOT run in chrome bores! # Single Ring, Will NOT fit 85cc overbore!
*Please visit our website for current prices
E-mail: sales@oro2u.com
www.oro2u.com E37
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